Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Colin O'Brien, LCSW

Individual provider Social Worker · NPI 1528982477

Colin O'Brien, LCSW is a Social Worker in Buffalo Grove, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2026
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

1371 Abbott Ct Ste A
Buffalo Grove, IL 60089-2367
Phone: (847) 777-8995
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 149041364 (IL)

Record details

NPI number1528982477
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW
Sole proprietorYes
NPI enumeratedAugust 5, 2026
Last updated in NPPESAugust 5, 2026
Certification dateAugust 5, 2026

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